There is this, too, from 4 years ago, which seems reasonable in my not-very-well-informed opinion (speaking of which, I'm not sure the work referenced here can

There is this, too, from 4 years ago, which seems reasonable in my not-very-well-informed opinion (speaking of which, I'm not sure the work referenced here can deal with hyphenated negation, but it should be simple to include) https://www.aclweb.org/anthology/P14-1007.pdf https://www.aclweb.org/anthology/P14-1007.pdf code: https://github.com/ffancellu/NegNN https://github.com/ffancellu/NegNN